package com.dong.ioc;

/**
 * description
 *
 * @author Administrator 2021/08/27 15:07
 */
public class B {

    private A a;

    public B(){}

    public B(A a) {
        this.a = a;
    }

    public A getA() {
        return a;
    }

    public void setA(A a) {
        this.a = a;
    }
}
